Activity jumper



FIG. 1 is a top, front, and left side perspective view of an activity jumper showing our new design.

FIG. 2 is a top plan view thereof.

FIG. 3 is a right side view thereof.

FIG. 4 is a left side view thereof.

FIG. 5 is a front elevation view thereof; and,

FIG. 6 is a rear elevation view thereof. 

CLAIM The ornamental design for an activity jumper, as shown and described. 